Shock absorbing innersole and method for preparing same

Details Shock absorbing innersole and method for preparing same Shock absorbing innersole and method for preparing same

1985-10-09

1987-06-23

Anderson, Philip

Boots, shoes, and leggings

Insoles

Laminated

264 464, 264244, A43B 1340, B29C 6722

Patent

active

046742042

ABSTRACT:
A shock-absorbing innersole for use in footwear, which innersole comprises an innersole body composed of a substantially nondeformable elastomeric-type urethane cellular polymer, having a contoured molded heel and arch section and a substantially flat sheet containing a ball and toe section, the innersole having one or more shock-absorbing inserts in the innersole positioned in the heel, ball or both areas of the innersole, the insert composed of a solid elastomeric polymer which has greater shock-absorbing properties and greater surface tack than the elastomeric urethane of the innersole body.

REFERENCES:
patent: 2346279 (1944-04-01), Stritter
patent: 3187069 (1965-06-01), Pincus et al.
patent: 3233348 (1966-02-01), Gilkerson
patent: 3530489 (1970-09-01), Appleton
patent: 3781231 (1973-12-01), Janssen et al.
patent: 4003146 (1977-01-01), Meier et al.
patent: 4296053 (1981-10-01), Doerer et al.
patent: 4581187 (1986-04-01), Sullivan et al.

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